Question 21(b)
[Maximum number: 2]
The curve with equation y=f(x) has one turning point.
The coordinates of this turning point are (-6,9)
Write down the value of a and the value of b.
Edexcel IGCSE Math A Higher 3.3.HC analyse graph transformations
Practise transformed-function questions by comparing key points, roots or trigonometric features before writing the changed function rule.
How this is tested
- Use roots or key points to find the horizontal shift in a transformed graph.
- Find parameters in trigonometric graphs such as y = p cos(x+q) from the grid.
- Write the transformed function equation after analysing the movement of the graph.